写出下列词语的比较级
tall ____
old ____
short____
young____
strong____
____
人体呼吸系统的组成是( )
阳光下我们吹出五颜六色的泡泡是光的____现象。
——Can you please tell me something about life in the future?——Oh, maybe in the future, people will _______ by robots.